Finding the Third Proportional to 8,850,664 and 13,669,109

Step by Step Solution

1. Step 1: Write the proportion equation
   8,850,664 : 13,669,109 = 13,669,109 : x
2. Step 2: Convert to fraction form
   8,850,664/13,669,109 = 13,669,109/x
3. Step 3: Cross multiply
   8,850,664x = 13,669,109 × 13,669,109
4. Step 4: Simplify right side
   8,850,664x = 186,844,540,853,881
5. Step 5: Solve for x
   x = 186,844,540,853,881/8,850,664
6. Step 6: Final answer
   x = 21,110,793.59